Thermotoga subterranea sp. nov., a new thermophilic bacterium isolated from a continental oil reservoir

A thermophilic, strictly anaerobic bacterium, designated strain SL1, was isolated from a deep, continental oil reservoir in the East Paris Basin (France). This organism grew between 50 and 75 degrees C, with an optimum at 70 degrees C. It was inhibited by elemental sulfur and was able to reduce cyst...

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Veröffentlicht in:	Archives of microbiology 1995-08, Vol.164 (2), p.91-97
Hauptverfasser:	JEANTHON, C, REYSENBACH, A.-L, L'HARIDON, S, GAMBACORTA, A, PACE, N. R, GLENAT, P, PRIEUR, D
Format:	Artikel
Sprache:	eng
Schlagworte:	Bacteriology Base Composition Base Sequence Biological and medical sciences Biology of microorganisms of confirmed or potential industrial interest Biotechnology Cystine - metabolism DNA, Bacterial - analysis DNA, Ribosomal - analysis Fundamental and applied biological sciences. Psychology Gram-Negative Anaerobic Bacteria - genetics Gram-Negative Anaerobic Bacteria - growth & development Gram-Negative Anaerobic Bacteria - isolation & purification Gram-Negative Anaerobic Bacteria - metabolism Hot Temperature Isolation and description Life Sciences Lipids - analysis Microbiology Microbiology and Parasitology Mission oriented research Molecular Sequence Data Oxidation-Reduction Petroleum - microbiology Phylogeny RNA, Ribosomal, 16S - genetics Sulfur - metabolism Systematics Thiosulfates - metabolism
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Zusammenfassung:	A thermophilic, strictly anaerobic bacterium, designated strain SL1, was isolated from a deep, continental oil reservoir in the East Paris Basin (France). This organism grew between 50 and 75 degrees C, with an optimum at 70 degrees C. It was inhibited by elemental sulfur and was able to reduce cystine and thiosulfate to hydrogen sulfide. The G+C content (40 mol%), the presence of a lipid structure unique to the genus Thermotoga, and the 16S rRNA sequence of strain SL1 indicated that the isolate belongs to the genus Thermotoga. Based on DNA-DNA hybridization, isolate SL1 does not show species-level similarity with the recognized species T. maritima, T. neapolitana, and T. thermarum. Based on this description of strain SL1, we propose the recognition of a new species: Thermotoga subterranea.
ISSN:	0302-8933 1432-072X
DOI:	10.1007/bf02525313